package com.lanjing.monitor.config;

import de.codecentric.boot.admin.server.config.AdminServerProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.Customizer;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configurers.AbstractHttpConfigurer;
import org.springframework.security.config.annotation.web.configurers.HeadersConfigurer;
import org.springframework.security.web.SecurityFilterChain;
import org.springframework.security.web.authentication.SavedRequestAwareAuthenticationSuccessHandler;
import org.springframework.security.web.util.matcher.AntPathRequestMatcher;

@EnableWebSecurity
@Configuration
public class WebSecurityConfigurer {

    private final String adminContextPath;

    public WebSecurityConfigurer(AdminServerProperties adminServerProperties) {
        this.adminContextPath = adminServerProperties.getContextPath();
    }

    @Bean
    public SecurityFilterChain filterChain(HttpSecurity httpSecurity) throws Exception {
        SavedRequestAwareAuthenticationSuccessHandler successHandler = new SavedRequestAwareAuthenticationSuccessHandler();
        successHandler.setTargetUrlParameter("redirectTo");
        successHandler.setDefaultTargetUrl(adminContextPath + "/");

        return httpSecurity
                .headers((header) ->
                        header.frameOptions(HeadersConfigurer.FrameOptionsConfig::disable))
                .authorizeHttpRequests((authorize) ->
                        authorize.requestMatchers(
                                        new AntPathRequestMatcher(adminContextPath + "/assets/**"),
                                        new AntPathRequestMatcher(adminContextPath + "/login"),
                                        new AntPathRequestMatcher("/actuator"),
                                        new AntPathRequestMatcher("/actuator/**"),
                                        new AntPathRequestMatcher("/instances/**")
                                ).permitAll()
                                .anyRequest().authenticated())
                .formLogin((formLogin) ->
                        formLogin.loginPage(adminContextPath + "/login").successHandler(successHandler))
                .logout((logout) ->
                        logout.logoutUrl(adminContextPath + "/logout"))
                .httpBasic(Customizer.withDefaults())
                .csrf(AbstractHttpConfigurer::disable)
                .build();
    }

}
